Games: sokoban

i have found many level that can be download:
http://leehaywood.org/games/sokoban/
http://www.freewebs.com/sokofan/levels.html

This version of Sokoban,
that i think it the best,
read all format of Sokoban levels,
has skin change. (that is very cool)
has the old fashion look from my old pc skin,
and many skins of many sokoban that exsist.